Güncel Gönderiler: Malzeme Bilimi ve Mühendisliği Bölümü
Toplam kayıt 444, listelenen: 381-400
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Al stabilized Li7La3Zr2O12 solid electrolytes for all-solid state Li-ion batteries
(Pergamon-Elsevier Science LTD, 2016)All Solid State Lithium Ion Batteries (ASS-LIB) have been attracting great attention due to their high temperature stability, energy density and safety. Cubic Li7La3Zr2O12 (LLZO) ceramic electrolyte is one of the most ... -
Development of using local raw materials deposits in Eskisehir region, Turkey
(Australian Ceramic Society, 2017)Local clayey raw materials and feldspathic rocks of Eskisehir sources were characterized, and its influence in facade cladding tile compositions was evaluated. Dilatometric studies for disclosing peak firing temperatures ... -
Oxidation behaviour and kinetics of alpha-SiAlON ceramics
(Taylor & Francis LTD, 2009)In this study, the oxidation behaviours of Y, Sin and Y/Sm doped alpha-SiAlON ceramics are investigated to examine the oxidation kinetics. The oxidation tests are carried out at 1300-1450 degrees C for different holding ... -
Microfluidization, time-effective and solvent free processing of nanoparticle containing thermosetting matrix resin suspensions for producing composites with enhanced thermal properties
(Pergamon-Elsevier Science LTD, 2016)Dispersion of low content (0.1 wt.%) of multi walled carbon nanotubes (MWCNTs) in an epoxy resin through microfluidization was brought under spotlight as a case study. For the sake of performance comparison, epoxy resin ... -
B-Phase solid solutions in Er- and Y-SiAlON glass-ceramics
(Springer, 2015)Glasses with cation composition of M: Si: Al = 3.45:3:2 (where M = Er and Y) with varying nitrogen contents (0, 5, 8, 15 and 22 eq.%) have been prepared by ball milling in alcohol media. These Er-and Y-sialon glasses were ... -
Ultrasonic characterization of defective porcelain tiles
(Soc Espanola Ceramica Vidrio, 2012)The aim of this work is the optimization of ultrasonic methods in the non-destructive testing of sintered porcelain tiles containing defects. For this reason, a silicon nitride ball, carbon black and PMMA (Polymethylmethacrylate) ... -
Development of Thermoacoustic Imaging System: Preliminary Experimental Results
(IEEE, 2017)Mammography and ultrasound are commonly used techniques for detection and follow-up of breast cancer. Microwave induced thermoacoustic imaging is a new non-ionizing imaging modality that can facilitate early detection and ... -
Structural and Electrical Characterization of Electro Spray Deposited PZT Sol-PZT Nanopowder Composite Thick Films
(IEEE, 2014)In piezoelectric market, infrared detectors, pyroelectric and piezoelectric sensors, microwave devices, actuators, transducers, non-volatile random access memories, and micro electromechanical systems are fabricated using ... -
Do Nano-crystalline Silver-Coated Hernia Grafts Reduce Infection?
(Springer, 2018)Purpose Inguinal hernia repairs are the most common interventions in adults in general surgery clinics. Depending on the type of mesh and repair, the incidence of mesh-related infection ranges from 0.6 to 8%. Methicillin-resistant ... -
Effect of the Powder Process Type on Dielectric and Leakage Current Characteristics of Flux Grown 94NBT-6BT Single Crystals
(IEEE, 2014)In this study, 94NBT-6BT single crystals were grown by flux growth method using uncalcined and calcined 94NBT-6BT powder. Crystal structures and chemical composition of grown crystals were characterized by X-ray diffraction ... -
Improvements on the mechanical properties and thermal shock behaviours of MgO-spinel composite refractories by ZrO2 incorporation
(Elsevier Sci LTD, 2012)Microstructural features and improvements on the mechanical properties and thermal shock behaviours of MgO-spinel composite refractories with ZrO2 addition were examined. ZrO2 incorporation into MgO-spinel led to improvements ... -
Improvements on corrosion behaviours of MgO-spinel composite refractories by addition of ZrSiO4
(Elsevier Sci LTD, 2012)Corrosion behaviours of MgO-spinel-ZrSiO4 compositions were investigated. The influence of corrosion resistance based on the microstructural changes occurred due to the solubilities of constituents in corroded regions was ... -
Utilization of a phosphate ester as a dispersant for SiAlON based ceramics
(Trans Tech Publications LTD, 2007)Aqueous dispersions of SiAION forming powders (Si3N4, AIN and Y2O3) were obtained. Dispersibility of powders was found to be improved by addition of sodium tripolyphosphate. Stable aqueous suspensions of SiAION forming ... -
Application of Homogeneously Precipitated Nanosized Fe-Doped Alumina Powders to Carbon Nanotube Growth
(Wiley, 2010)Homogeneous precipitation of hydroxides was investigated as an alternative method to synthesize Fe-doped aluminum oxide (alpha-Al2-2xFe2xO3) particles over which carbon nanotubes (CNTs) were grown via a catalytic chemical ... -
Texture development in Fe-doped alumina ceramics via templated grain growth and their application to carbon nanotube growth
(Elsevier Sci LTD, 2013)Fe-doped alumina (Fe-Al2O3) materials with a controlled microstructure could be designed for some special uses such as a substrate for carbon nanotube growth. In this study, Fe-doped Al2O3 ceramics with varying degrees of ... -
Effect of alkaline-earth oxides on firing behaviour of monoporosa wall tile bodies
(Korean Assoc Crystal Growth, Inc, 2018)For the production of ceramic wall tiles, effective sintering has become increasingly important in recent years to reduce firing times and/or peak firing temperatures and thus cope with high energy costs and environmental ... -
Anisotropic mechanical and functional properties of graphene-based alumina matrix nanocomposites
(Elsevier Sci LTD, 2016)Graphene platelets (GPLs) containing Al2O3 nanocomposites, which exhibit anisotropic microstructure, have been prepared by spark plasma sintering (SPS), and effects of this anisotropy on mechanical, electrical and thermal ... -
Relationship between heating atmosphere and copper foil impurities during graphene growth via low pressure chemical vapor deposition
(Pergamon-Elsevier Science LTD, 2016)Low-pressure chemical vapor deposition synthesis of graphene films on two different Cu foils, with different surface oxygen and carbon contents, was performed by controlling H-2 and/or Ar flow rates during heating. The ... -
A comparative study on few-layer graphene production by exfoliation of different starting materials in a low boiling point solvent
(Elsevier Science BV, 2017)Three different graphite-based powders (expandable graphite and two different nano-graphite powders) were investigated as starting materials for an effective liquid phase exfoliation process in isopropyl alcohol (IPA). The ... -
Processing, phase evaluation and mechanical properties of MoSi2 doped 4TaC-HfC based UHTCs consolidated by spark plasma sintering
(Elsevier Sci LTD, 2016)In this research, binary 4TaC-HfC based composites were consolidated using carbide materials and addition of 0-15 vol.% MoSi2 by means of spark plasma sintering at 2000 degrees C. The nearly full dense and monophase specimens ...
